# 9.4.4 导入整个模块
import hello_world_car2

my_beetle = hello_world_car2.Car('volkswagen', 'beetle', 2016)
print(my_beetle.get_descriptive_name())

my_tesla = hello_world_car2.ElectricCar('tesla', 'roadster', 2016)
print(my_tesla.get_descriptive_name())
